Health & Fitness Tools

Whether you're tracking weight, planning meals, or optimizing sleep, having quick estimates can support your goals. Our health and fitness tools give you instant, private calculations: BMI and body fat for body composition; BMR and TDEE for daily calorie needs; daily calorie intake for maintenance, loss, or gain; water intake for hydration; sleep cycle timing for better rest; ideal body weight as a height-based reference; and pregnancy due date and ovulation/fertility for family planning. Every calculator runs entirely in your browser—you enter your numbers, see results immediately, and nothing is sent to or stored on any server. No signup, no account, no tracking.

We cover the areas people search for most: BMI calculator for weight category; BMR and TDEE calculator for basal metabolic rate and total daily energy expenditure; body fat percentage using the US Navy method; daily calorie intake for personalized diet targets; water intake by weight and activity; sleep cycle calculator for optimal bed and wake times; ideal body weight using the Devine formula; pregnancy due date from LMP; and ovulation and fertility for your fertile window. Each tool uses simple inputs, instant results, and Example and Reset so you can try different scenarios without losing your data.